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Author : Don DeVault
Publisher : Unknown
Page : 207 pages
File Size : 48,7 Mb
Release : 1984
Category : Science
ISBN : 052124904X
Author : Britton Chance
Publisher : Unknown
Page : 784 pages
File Size : 51,8 Mb
Release : 1979
Category : Biophysics
ISBN : UCAL:B4455689
Author : Britton Chance,Don Charles Devault,Hans Frauenfelder
Publisher : Academic Press
Page : 776 pages
File Size : 46,8 Mb
Release : 2013-09-17
Category : Science
ISBN : 9781483271347
Tunneling in Biological Systems focuses on the low temperature electron transport that reveals a quantum-mechanical effect called “tunneling. This book discusses the tunneling in physical systems; detection of molecular vibrations with electron tunneling; chemical-rate theory of small-polaron hopping; and experimental approaches to electronic coupling in metal ion redox systems. The Faraday rotation and photoconductivity of photosynthetic structures at microwave frequencies; dynamics of electron transport in macromolecules; and electron transfer reactions in cytochrome oxidase are also elaborated. This text likewise covers the kinetic evidence for electron tunneling in solution; specificity and control in biological systems; molecular tunneling in heme proteins; and ligand binding. This publication is valuable to students and researchers interested in the physics of biological and medical problems.
Author : Johannes Kästner,Sebastian Kozuch
Publisher : Royal Society of Chemistry
Page : 453 pages
File Size : 42,7 Mb
Release : 2020-09-30
Category : Science
ISBN : 9781788018708
Nuclear Quantum Effects from Bio to Physical Chemistry
Author : Dominique Bicout,Martin Field
Publisher : Springer Science & Business Media
Page : 324 pages
File Size : 45,7 Mb
Release : 2013-03-09
Category : Science
ISBN : 9783662096383
It is now generally agreed that a deeper understanding of biological processes requires a multi-disciplinary approach employing the tools of biology, chemistry, and physics. Such understanding involves study of biomacromolecules and their functions, which includes how they interact, their reactions, and how information is transmitted between them. This volume is devoted to quantum mechanical simulation techniques, which have developed rapidly in recent years. It covers quantum mechanical calculations of large systems, molecular dynamics combining quantum and classical algorithms, quantum dynamical simulations, and electron and proton transfer processes in proteins and in solutions.
Author : Derek Abbott,Paul C W Davies,Arun K Pati
Publisher : World Scientific
Page : 468 pages
File Size : 44,5 Mb
Release : 2008-09-12
Category : Science
ISBN : 9781908978738
This book presents the hotly debated question of whether quantum mechanics plays a non-trivial role in biology. In a timely way, it sets out a distinct quantum biology agenda. The burgeoning fields of nanotechnology, biotechnology, quantum technology, and quantum information processing are now strongly converging. The acronym BINS, for Bio-Info-Nano-Systems, has been coined to describe the synergetic interface of these several disciplines. The living cell is an information replicating and processing system that is replete with naturally-evolved nanomachines, which at some level require a quantum mechanical description. As quantum engineering and nanotechnology meet, increasing use will be made of biological structures, or hybrids of biological and fabricated systems, for producing novel devices for information storage and processing and other tasks. An understanding of these systems at a quantum mechanical level will be indispensable. Contents:Foreword (Sir R Penrose)Emergence and Complexity:A Quantum Origin of Life? (P C W Davies)Quantum Mechanics and Emergence (S Lloyd)Quantum Mechanisms in Biology:Quantum Coherence and the Search for the First Replicator (J Al-Khalili & J McFadden)Ultrafast Quantum Dynamics in Photosynthesis (A O Castro, F F Olsen, C F Lee & N F Johnson)Modelling Quantum Decoherence in Biomolecules (J Bothma, J Gilmore & R H McKenzie)The Biological Evidence:Molecular Evolution: A Role for Quantum Mechanics in the Dynamics of Molecular Machines that Read and Write DNA (A Goel)Memory Depends on the Cytoskeleton, but is it Quantum? (A Mershin & D V Nanopoulos)Quantum Metabolism and Allometric Scaling Relations in Biology (L Demetrius)Spectroscopy of the Genetic Code (J D Bashford & P D Jarvis)Towards Understanding the Origin of Genetic Languages (A D Patel)Artificial Quantum Life:Can Arbitrary Quantum Systems Undergo Self-Replication? (A K Pati & S L Braunstein)A Semi-Quantum Version of the Game of Life (A P Flitney & D Abbott)Evolutionary Stability in Quantum Games (A Iqbal & T Cheon)Quantum Transmemetic Intelligence (E W Piotrowski & J S≈adkowski)The Debate:Dreams versus Reality: Plenary Debate Session on Quantum Computing (For Panel: C M Caves, D Lidar, H Brandt, A R Hamilton, Against Panel: D K Ferry, J Gea-Banacloche, S M Bezrukov, L B Kish, Debate Chair: C R Doering, Transcript Editor: D Abbott)Plenary Debate: Quantum Effects in Biology: Trivial or Not? (For Panel: P C W Davies, S Hameroff, A Zeilinger, D Abbott, Against Panel: J Eisert, H M Wiseman, S M Bezrukov, H Frauenfelder, Debate Chair: J Gea-Banacloche, Transcript Editor: D Abbott)Nontrivial Quantum Effects in Biology: A Skeptical Physicist's View (H Wiseman & J Eisert)That's Life! — The Geometry of π Electron Clouds (S Hameroff) Readership: Graduate students and researchers in quantum physics, biophysics, nanosciences, quantum chemistry, mathematical biology and complexity theory, as well as philosophers of science. Keywords:Quantum Biology;Quantum Computation;Quantum Mechanics;Biophysics;Nanotechnology;Quantum Technology;Quantum Information Processing;Bio-Info-Nano-Systems (BINS);Emergence;Complexity;Complex Systems;Cellular Automata;Game Theory;Biomolecules;Photosynthesis;DNA;Genetic Code;DecoherenceKey Features:Is structured in a debate style, where contributors argue opposing positionsBrings together some of the finest minds and latest developments in the fieldIs entirely unique and there are no competing titles
Author : Hiroki Nakamura,Gennady Mil'nikov
Publisher : CRC Press
Page : 226 pages
File Size : 48,5 Mb
Release : 2016-04-19
Category : Science
ISBN : 9781466507326
Quantum mechanical tunneling plays important roles in a wide range of natural sciences, from nuclear and solid-state physics to proton transfer and chemical reactions in chemistry and biology. Responding to the need for further understanding of multidimensional tunneling, the authors have recently developed practical methods that can be applied to multidimensional systems. Quantum Mechanical Tunneling in Chemical Physics presents basic theories, as well as original ones developed by the authors. It also provides methodologies and numerical applications to real molecular systems. The book offers information so readers can understand the basic concepts and dynamics of multidimensional tunneling phenomena and use the described methods for various molecular spectroscopy and chemical dynamics problems. The text focuses on three tunneling phenomena: (1) energy splitting, or tunneling splitting, in symmetric double well potential, (2) decay of metastable state through tunneling, and (3) tunneling effects in chemical reactions. Incorporating mathematics to explain basic theories, the text requires readers to have graduate-level math to grasp the concepts presented. The book reviews low-dimensional theories and clarifies their insufficiency conceptually and numerically. It also examines the phenomenon of nonadiabatic tunneling, which is common in molecular systems. The book describes applications to real polyatomic molecules, such as vinyl radicals and malonaldehyde, demonstrating the high efficiency and accuracy of the method. It discusses tunneling in chemical reactions, including theories for direct evaluation of reaction rate constants for both electronically adiabatic and nonadiabatic chemical reactions. In the final chapter, the authors touch on future perspectives.
Author : Anonim
Publisher : Unknown
Page : 128 pages
File Size : 51,5 Mb
Release : 1977
Category : Electronic
ISBN : OCLC:163403113
Author : D Roy
Publisher : World Scientific
Page : 400 pages
File Size : 41,7 Mb
Release : 1986-12-01
Category : Tunneling (Physics)
ISBN : 9789814513616
This book presents a new approach to quantum mechanical tunnelling and its applications to various fields of physics. The conventional concepts of this phenomenon, which are based on a time-dependent or time-independent approach, are inadequate in providing explanations for 1) the limit of resolution of field-emission microscope, 2) the Esaki-Integral representation the tunnelling I-V characteristics of tunnel diodes, 3) the Josephson effect, 4) the tunnelling time, etc. The new theory presented here not only provides adequate explanation for all the above-mentioned effects but also gives an accurate expression for tunnelling current density which predicts results closer to the experimentally observed values. The new presentation also provides a more comprehensive description of the results obtained using older treatment. Contents:Quantum Mechanical Tunnelling:Conventional Formulations of the Tunnelling ProblemInadequacies of Conventional Tunnelling FormulationsA Recent Application of TunnellingThe New Tunnelling Theory:The Barrier Hamiltonian and the Wave FunctionThe Tunnelling Probability and Tunnelling TimeThe Tunnelling Current DensityThe Theory of Indirect TunnellingTunnelling in Rectangular Barrier Systems:Metal-Insulator-Metal (MIM) JunctionMetal-Insulator-Semiconductor (MIS) JunctionMetal-Insulator-Semiconductor Switch (MISS)Normal Metal-Insulator-Superconductor (NIS) JunctionSuperconductor-Insulator-Superconductor (S1-I-S2) JunctionJosephson EffectThe Semiconductor HeterostructuresTunnelling in Triangular Barrier Systems:Metal-Vacuum BoundaryMetal-Semiconductor Contact (Schottky Barrier)Semiconductor pn JunctionsSemiconductor HeterojunctionsSuper Schottky Junction Readership: Solid state physicists and device engineers. Keywords:Esaki-Integral Representation;Josephson Effect;Quantum Mechanical Tunnelling;Tunnelling Theory;Rectangular Barrier Systems;Triangular Barrier SystemsReview: “This text will become an eyeopener to most of the teachers, mainly to those in universities, in understanding the essential contribution of the new tunnel effect and in explaining it so as to be clearly appreciated by the average student.” B S V Gopalam Indian Journal of Pure & Applied Physics, 1987
Author : Masoud Mohseni,Yasser Omar,Gregory S. Engel,Martin B. Plenio
Publisher : Cambridge University Press
Page : 421 pages
File Size : 40,5 Mb
Release : 2014-08-07
Category : Science
ISBN : 9781107010802
Explores the role of quantum mechanics in biology for advanced undergraduate and graduate students in physics, biology and chemistry.
Author : Rudolf K. Allemann,Nigel S. Scrutton
Publisher : Royal Society of Chemistry
Page : 412 pages
File Size : 48,6 Mb
Release : 2009
Category : Science
ISBN : 9780854041220
In recent years, there has been an explosion in knowledge and research associated with the field of enzyme catalysis and H-tunneling. Rich in its breath and depth, this introduction to modern theories and methods of study is suitable for experienced researchers those new to the subject. Edited by two leading experts, and bringing together the foremost practitioners in the field, this up-to-date account of a rapidly developing field sits at the interface between biology, chemistry and physics. It covers computational, kinetic and structural analysis of tunnelling and the synergy in combining these methods (with a major focus on H-tunneling reactions in enzyme systems). The book starts with a brief overview of proton and electron transfer history by Nobel Laureate, Rudolph A. Marcus. The reader is then guided through chapters covering almost every aspect of reactions in enzyme catalysis ranging from descriptions of the relevant quantum theory and quantum/classical theoretical methodology to the description of experimental results. The theoretical interpretation of these large systems includes both quantum mechanical and statistical mechanical computations, as well as simple more approximate models. Most of the chapters focus on enzymatic catalysis of hydride, proton and H" transfer, an example of the latter being proton coupled electron transfer. There is also a chapter on electron transfer in proteins. This is timely since the theoretical framework developed fifty years ago for treating electron transfers has now been adapted to H-transfers and electron transfers in proteins. Accessible in style, this book is suitable for a wide audience but will be particularly useful to advanced level undergraduates, postgraduates and early postdoctoral workers.
Author : Johnjoe McFadden,Jim Al-Khalili
Publisher : Crown
Page : 370 pages
File Size : 45,5 Mb
Release : 2015-07-28
Category : Science
ISBN : 9780307986832
New York Times bestseller • Life on the Edge alters our understanding of our world's fundamental dynamics through the use of quantum mechanics. Life is the most extraordinary phenomenon in the known universe; but how did it come to be? Even in an age of cloning and artificial biology, the remarkable truth remains: nobody has ever made anything living entirely out of dead material. Life remains the only way to make life. Are we still missing a vital ingredient in its creation? Using first-hand experience at the cutting edge of science, Jim Al-Khalili and Johnjoe Macfadden reveal that missing ingredient to be quantum mechanics. Drawing on recent ground-breaking experiments around the world, each chapter in Life on the Edge illustrates one of life's puzzles: How do migrating birds know where to go? How do we really smell the scent of a rose? How do our genes copy themselves with such precision? Life on the Edge accessibly reveals how quantum mechanics can answer these probing questions of the universe. Guiding the reader through the rapidly unfolding discoveries of the last few years, Al-Khalili and McFadden describe the explosive new field of quantum biology and its potentially revolutionary applications, while offering insights into the biggest puzzle of all: what is life? As they brilliantly demonstrate in these groundbreaking pages, life exists on the quantum edge. Winner, Stephen Hawking Medal for Science Communication
Author : Dominique Bicout,Martin Field
Publisher : Springer
Page : 336 pages
File Size : 47,9 Mb
Release : 1996-03-11
Category : Science
ISBN : UOM:39015055709128
It is now generally agreed that a deeper understanding of biological processes requires a multi-disciplinary approach employing the tools of biology, chemistry, and physics. Such understanding involves study of biomacromolecules and their functions, which includes how they interact, their reactions, and how information is transmitted between them. This volume is devoted to quantum mechanical simulation techniques, which have developed rapidly in recent years. It covers quantum mechanical calculations of large systems, molecular dynamics combining quantum and classical algorithms, quantum dynamical simulations, and electron and proton transfer processes in proteins and in solutions.
Author : Paola Lecca,Angela Re
Publisher : CRC Press
Page : 106 pages
File Size : 45,7 Mb
Release : 2019-01-30
Category : Medical
ISBN : 9781351374316
Quantum physics provides the concepts and their mathematical formalization that lend themselves to describe important properties of biological networks topology, such as vulnerability to external stress and their dynamic response to changing physiological conditions. A theory of networks enhanced with mathematical concepts and tools of quantum physics opens a new area of biological physics, the one of systems biological physics.
Author : Helmut Sigel
Publisher : CRC Press
Page : 800 pages
File Size : 53,6 Mb
Release : 2003-03-27
Category : Medical
ISBN : 9781482293074
The Metal Ions in Biological Systems series is devoted to increasing our understanding of the relationship between the chemistry of metals and life processes. The volumes reflect the interdisciplinary nature of bioinorganic chemistry and coordinate the efforts of researchers in the fields of biochemistry, inorganic chemistry, coordination chemistry